diff options
| author | Gertjan van Wingerde <gwingerde@gmail.com> | 2010-05-13 21:16:03 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-05-24 15:07:41 -0400 |
| commit | 9655a6ec19ca656af246fb80817aa337892aefbf (patch) | |
| tree | dedf4a99d4ba98bb0260c7e3317db2750530921d /drivers/net/wireless/rt2x00/rt61pci.c | |
| parent | 3dc3fc52ea1537f5f37ab301d2b1468a0e79988f (diff) | |
rt2x00: Fix failed SLEEP->AWAKE and AWAKE->SLEEP transitions.
(Based on a patch created by Ondrej Zary)
In some circumstances the Ralink devices do not properly go to sleep
or wake up, with timeouts occurring.
Fix this by retrying telling the device that it has to wake up or
sleep.
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt61pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt61pci.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 2e3076f6753..6a74baf4e93 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1689,7 +1689,7 @@ static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev) static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) { - u32 reg; + u32 reg, reg2; unsigned int i; char put_to_sleep; @@ -1706,10 +1706,11 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) * device has entered the correct state. */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { - rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); - state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); + rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®2); + state = rt2x00_get_field32(reg2, MAC_CSR12_BBP_CURRENT_STATE); if (state == !put_to_sleep) return 0; + rt2x00pci_register_write(rt2x00dev, MAC_CSR12, reg); msleep(10); } |